<template>
  <div>
    <TypeNav />
    <div class="main">
      <div class="py-container">
        <!--bread-->
        <div class="bread">
          <ul class="fl sui-breadcrumb">
            <li>
              <a href="#">全部结果</a>
            </li>
          </ul>
          <ul class="fl sui-tag">
            <li class="with-x" v-if="searchParams.categoryname">
              {{searchParams.categoryname}}
              <i @click="removeCategoryName">×</i>
            </li>
            <li class="with-x" v-if="searchParams.keyword">
              {{searchParams.keyword}}
              <i @click="removeKeyword">×</i>
            </li>
            <li class="with-x" v-if="searchParams.trademark">
              {{searchParams.trademark.split(":")[1]}}
              <i @click="removeTrademark">×</i>
            </li>
            <li class="with-x" v-for="(prop,index) in searchParams.props" :key="prop">
              {{prop.split(":")[1]}}
              <i @click="removeProps(index)">×</i>
            </li>
          </ul>
        </div>

        <!--selector-->
        <SearchSelector
        @searchTrademark = "searchTrademark"
        @searchForProps = "searchForProps"
         />

        <!--details-->
        <div class="details clearfix">
          <div class="sui-navbar">
            <div class="navbar-inner filter">
              <ul class="sui-nav">
                <li :class="{active:orderFlag === '1'}">
                  <a href="javascript:;" @click="changeOrder('1')">
                    综合
                    <i 
                    class="iconfont" 
                    :class="{iconup:orderType === 'asc',
                             icondown:orderType === 'desc'}"
                    
                    v-if="orderFlag === '1'"
                    ></i>
                  </a>
                </li>
                <li :class="{active:orderFlag === '2'}">
                  <a href="javascript:;" @click="changeOrder('2')">
                    价格
                    <i 
                    class="iconfont" 
                    :class="{iconup:orderType === 'asc',
                             icondown:orderType === 'desc'}"
                    
                    v-if="orderFlag === '2'"
                    ></i>
                  </a>
                </li>
              </ul>
            </div>
          </div>
          <div class="goods-list">
            <ul class="yui3-g">
              <li class="yui3-u-1-5" v-for="goods in goodsList" :key="goods.id">
                <div class="list-wrap">
                  <div class="p-img">
                    <router-link :to="`/detail/` + goods.id">
                      <img :src="goods.defaultImg"/>
                    </router-link>
                    <!-- <a href="item.html" target="_blank">
                      <img :src="goods.defaultImg"/>
                    </a> -->
                  </div>
                  <div class="price">
                    <strong>
                      <em>¥</em>
                      <i>&ensp;{{ goods.price }}</i>
                    </strong>
                  </div>
                  <div class="attr">
                    <router-link :to="`/detail/` + goods.id">{{ goods.title }}</router-link>
                    <!-- <a target="_blank" href="item.html">{{ goods.title }}</a> -->
                  </div>
                  <div class="commit">
                    <i class="command">已有<span>2000</span>人评价</i>
                  </div>
                  <div class="operate">
                    <a
                      href="success-cart.html"
                      target="_blank"
                      class="sui-btn btn-bordered btn-danger"
                      >加入购物车</a>
                    <a href="javascript:void(0);" class="sui-btn btn-bordered"
                      >收藏</a
                    >
                  </div>
                </div>
              </li>
            </ul>
          </div>
          <!-- x需要传递四个参数 当前页 连续页 总条数 总页数  -->
          <Pagination 
          :currentPageNo = searchParams.pageNo 
          :continuousNo = '5'
          :total = goodsListInfo.total
          :pageSize = searchParams.pageSize
          @changePageNo = "getGoodsListInfo"
          ></Pagination>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import { mapGetters } from "vuex";
import {mapState} from 'vuex'
import SearchSelector from "./SearchSelector/SearchSelector";
export default {
  name: "Search",
  components: {
    SearchSelector,
  },
  data() {
    return {
      searchParams: {
        category1Id: "",
        category2Id: "",
        category3Id: "",
        categoryName: "",
        keyword: "",
        props: [],
        trademark: "",

        order: "1:desc",
        pageNo: 9,
        pageSize: 2,
      },
    };
  },
  beforeMount() {
    /* {
          "category3Id": "61",
          "categoryName": "手机",
          "keyword": "小米",
          "order": "1:desc",
          "pageNo": 1,
          "pageSize": 10,
          "props": ["1:1700-2799:价格", "2:6.65-6.74英寸:屏幕尺寸"],
          "trademark": "4:小米"
      } */
    /* let {
      category1Id,
      category2Id,
      category3Id,
      categoryName,
    } = this.$route.query;
    let {keyword} = this.$route.params;
    let searchParams = {
      ...this.searchParams,
      category1Id,
      category2Id,
      category3Id,
      categoryName,
      keyword
    }
    // 参数中值为空或为undefined都应该不携带
    // 因为携带没有用的参数会增加带宽
    // Keys方法的功能：是将给定对象可枚举的属性放到一个数组中参数：给的的对象 返回值：可枚举属性组成的数组
    Object.keys(searchParams).forEach(item => {
      if(searchParams[item] === ""){
        searchParams[item] = undefined;
      }
    })
    this.searchParams = searchParams;  */
    // this.changeParams()
  },
  /* mounted() {
    this.getGoodsListInfo();
  }, */
  methods: {
    getGoodsListInfo(page = 1) {
      this.searchParams.pageNo = page;
      this.$store.dispatch("getGoodsListInfo", this.searchParams);
    },
    // 封装的专门修改参数的函数
    changeParams(){
      let {
      category1Id,
      category2Id,
      category3Id,
      categoryname,
    } = this.$route.query;
    let {keyword} = this.$route.params;
    let searchParams = {
      ...this.searchParams,
      category1Id,
      category2Id,
      category3Id,
      categoryname,
      keyword
    }
    // 参数中值为空或为undefined都应该不携带
    // 因为携带没有用的参数会增加带宽
    // Keys方法的功能：是将给定对象可枚举的属性放到一个数组中参数：给的的对象 返回值：可枚举属性组成的数组
    Object.keys(searchParams).forEach((item )=> {
      if(searchParams[item] === ""){
        delete searchParams[item];
      }
    })
    this.searchParams = searchParams; 
    },
    // 删除（平台属性）条件搜索的面包写
    removeCategoryName(){
      // 请求的过程中不会携带值为空的属性
      // 所有将categoryname的值改为undefined
      this.searchParams.categoryname = undefined;
      // 修改路径后watch会监视到路由的变化从而发送请求
      this.$router.replace({name:'search',params:this.$route.params});
    },
    // 删除关键字搜索
    removeKeyword(){
      // 将请求参数中的keyword的值改为undefined,就相当于删除了这个给
      // 属性，因为请求的过程中不会携带值为undefined的参数
      this.searchParams.keyword = undefined;
      // 修改路径，watch监视到变化后会自动发送新的请求
      this.$router.replace({name:'search',query:this.$route.query})
      // 找到$bus找到事件名称为clearKeyword，因为这里是删除所有不需要传递参数
      // 当你不知道代码要写在哪里的时候就写到mounted中吧
      this.$bus.$emit('clearKeyword')
    },
    searchTrademark(tm){
      this.searchParams.trademark = `${tm.tmId}:${tm.tmName}`
      // 这个请求参数不在搜索栏中显示所有直接请求，不需要通过watch来发送请求
      this.getGoodsListInfo()
    },
    // 删除trademark的面包屑
    removeTrademark(){
      this.searchParams.trademark = undefined;
      this.getGoodsListInfo()
    },
    searchForProps(attr,attrValue){
      let prop = `${attr.attrId}:${attrValue}:${attr.attrName}`;
      // 只要点击一次就会往props中添加一次，一个只有一个属性，所以需要判断
      let isRepeat = this.searchParams.props.some(item=>item === prop)
      if(isRepeat) return
      this.searchParams.props.push(prop);
      this.getGoodsListInfo()
    },
    removeProps(index){
      this.searchParams.props.splice(index,1);
      this.getGoodsListInfo()
    },
    // 点击综合排序和价格排序
    changeOrder(orderFlag){
      let originFlag = this.searchParams.order.split(':')[0];
      let originType = this.searchParams.order.split(':')[1];
      let newOrder = '';
      if(orderFlag === originFlag){
        newOrder = `${originFlag}:${originType === 'asc' ? 'desc' : 'asc'}`;
      }else{
        newOrder = `${orderFlag}:desc`//这里不需要使用单引号
      }
      this.searchParams.order = newOrder;
      this.getGoodsListInfo()
    },
    /* // 修改pageNo参数，并重新请求
    changePageNo(page){
      this.searchParams.pageNo = page;
      this.getGoodsListInfo()
    } */
  },
  watch: {
    $route:{
      immediate:true,
      handler(){
        this.changeParams()
        this.getGoodsListInfo();
      }
    }
  },
  computed: {
    ...mapGetters(["goodsList"]),
    ...mapState({
      goodsListInfo:state => state.search.goodsListInfo
    }),
    orderFlag(){
      return this.searchParams.order.split(':')[0]
    },
    orderType(){
      return this.searchParams.order.split(':')[1]
    }
  },
};
</script>

<style lang="less" scoped>
.main {
  margin: 10px 0;

  .py-container {
    width: 1200px;
    margin: 0 auto;

    .bread {
      margin-bottom: 5px;
      overflow: hidden;

      .sui-breadcrumb {
        padding: 3px 15px;
        margin: 0;
        font-weight: 400;
        border-radius: 3px;
        float: left;

        li {
          display: inline-block;
          line-height: 18px;

          a {
            color: #666;
            text-decoration: none;

            &:hover {
              color: #4cb9fc;
            }
          }
        }
      }

      .sui-tag {
        margin-top: -5px;
        list-style: none;
        font-size: 0;
        line-height: 0;
        padding: 5px 0 0;
        margin-bottom: 18px;
        float: left;

        .with-x {
          font-size: 12px;
          margin: 0 5px 5px 0;
          display: inline-block;
          overflow: hidden;
          color: #000;
          background: #f7f7f7;
          padding: 0 7px;
          height: 20px;
          line-height: 20px;
          border: 1px solid #dedede;
          white-space: nowrap;
          transition: color 400ms;
          cursor: pointer;

          i {
            margin-left: 10px;
            cursor: pointer;
            font: 400 14px tahoma;
            display: inline-block;
            height: 100%;
            vertical-align: middle;
          }

          &:hover {
            color: #28a3ef;
          }
        }
      }
    }

    .details {
      margin-bottom: 5px;

      .sui-navbar {
        overflow: visible;
        margin-bottom: 0;

        .filter {
          min-height: 40px;
          padding-right: 20px;
          background: #fbfbfb;
          border: 1px solid #e2e2e2;
          padding-left: 0;
          border-radius: 0;
          box-shadow: 0 1px 4px rgba(0, 0, 0, 0.065);

          .sui-nav {
            position: relative;
            left: 0;
            display: block;
            float: left;
            margin: 0 10px 0 0;

            li {
              float: left;
              line-height: 18px;

              a {
                display: block;
                cursor: pointer;
                padding: 11px 15px;
                color: #777;
                text-decoration: none;
              }

              &.active {
                a {
                  background: #e1251b;
                  color: #fff;
                }
              }
            }
          }
        }
      }

      .goods-list {
        margin: 20px 0;

        ul {
          display: flex;
          flex-wrap: wrap;

          li {
            height: 100%;
            width: 20%;
            margin-top: 10px;
            line-height: 28px;

            .list-wrap {
              .p-img {
                padding-left: 15px;
                width: 215px;
                height: 255px;

                a {
                  color: #666;

                  img {
                    max-width: 100%;
                    height: auto;
                    vertical-align: middle;
                  }
                }
              }

              .price {
                padding-left: 15px;
                font-size: 18px;
                color: #c81623;

                strong {
                  font-weight: 700;

                  i {
                    margin-left: -5px;
                  }
                }
              }

              .attr {
                padding-left: 15px;
                width: 85%;
                overflow: hidden;
                margin-bottom: 8px;
                min-height: 38px;
                cursor: pointer;
                line-height: 1.8;
                display: -webkit-box;
                -webkit-box-orient: vertical;
                -webkit-line-clamp: 2;

                a {
                  color: #333;
                  text-decoration: none;
                }
              }

              .commit {
                padding-left: 15px;
                height: 22px;
                font-size: 13px;
                color: #a7a7a7;

                span {
                  font-weight: 700;
                  color: #646fb0;
                }
              }

              .operate {
                padding: 12px 15px;

                .sui-btn {
                  display: inline-block;
                  padding: 2px 14px;
                  box-sizing: border-box;
                  margin-bottom: 0;
                  font-size: 12px;
                  line-height: 18px;
                  text-align: center;
                  vertical-align: middle;
                  cursor: pointer;
                  border-radius: 0;
                  background-color: transparent;
                  margin-right: 15px;
                }

                .btn-bordered {
                  min-width: 85px;
                  background-color: transparent;
                  border: 1px solid #8c8c8c;
                  color: #8c8c8c;

                  &:hover {
                    border: 1px solid #666;
                    color: #fff !important;
                    background-color: #666;
                    text-decoration: none;
                  }
                }

                .btn-danger {
                  border: 1px solid #e1251b;
                  color: #e1251b;

                  &:hover {
                    border: 1px solid #e1251b;
                    background-color: #e1251b;
                    color: white !important;
                    text-decoration: none;
                  }
                }
              }
            }
          }
        }
      }

      .page {
        width: 733px;
        height: 66px;
        overflow: hidden;
        float: right;

        .sui-pagination {
          margin: 18px 0;

          ul {
            margin-left: 0;
            margin-bottom: 0;
            vertical-align: middle;
            width: 490px;
            float: left;

            li {
              line-height: 18px;
              display: inline-block;

              a {
                position: relative;
                float: left;
                line-height: 18px;
                text-decoration: none;
                background-color: #fff;
                border: 1px solid #e0e9ee;
                margin-left: -1px;
                font-size: 14px;
                padding: 9px 18px;
                color: #333;
              }

              &.active {
                a {
                  background-color: #fff;
                  color: #e1251b;
                  border-color: #fff;
                  cursor: default;
                }
              }

              &.prev {
                a {
                  background-color: #fafafa;
                }
              }

              &.disabled {
                a {
                  color: #999;
                  cursor: default;
                }
              }

              &.dotted {
                span {
                  margin-left: -1px;
                  position: relative;
                  float: left;
                  line-height: 18px;
                  text-decoration: none;
                  background-color: #fff;
                  font-size: 14px;
                  border: 0;
                  padding: 9px 18px;
                  color: #333;
                }
              }

              &.next {
                a {
                  background-color: #fafafa;
                }
              }
            }
          }

          div {
            color: #333;
            font-size: 14px;
            float: right;
            width: 241px;
          }
        }
      }
    }
  }
}
</style>
